+$welcome
-$remoteinfo -$maincall $continuelink $end_page ENDSUCCESS @@ -158,8 +157,7 @@ ENDSUCCESS sub failed { my ($r,$message,$form) = @_; - my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef, - {'no_inline_link' => 1,}); + my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef); my $retry = '/adm/login?username='.$form->{'uname'}. '&domain='.$form->{'udom'}; if (exists($form->{role})) { @@ -216,12 +214,12 @@ sub handler { } else { # Indeed, a valid token is found &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - my $start_page = - &Apache::loncommon::start_page('Already logged in'); - my $end_page = - &Apache::loncommon::end_page(); + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + my $start_page = + &Apache::loncommon::start_page('Already logged in'); + my $end_page = + &Apache::loncommon::end_page(); my $dest = '/adm/roles'; if ($env{'form.firsturl'} ne '') { $dest = $env{'form.firsturl'}; @@ -276,7 +274,8 @@ sub handler { my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'}, $form{'serverid'}); - if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { + if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') || + ($tmpinfo eq 'no_such_host')) { &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form); return OK; } else { @@ -330,21 +329,15 @@ sub handler { } # ---------------------------------------------------------------- Authenticate - my @cancreate; + my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'}); - if (ref($domconfig{'usercreation'}) eq 'HASH') { - if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') { - if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') { - @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}}; - } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') && - ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) { - @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}); - } - } - } + my ($cancreate,$statustocreate) = + &Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'}); my $defaultauth; - if (grep(/^login$/,@cancreate)) { - $defaultauth = 1; + if (ref($cancreate) eq 'ARRAY') { + if (grep(/^login$/,@{$cancreate})) { + $defaultauth = 1; + } } my $clientcancheckhost = 1; my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass, @@ -358,23 +351,24 @@ sub handler { \%form); return OK; } elsif ($authhost eq 'no_account_on_host') { - my %domconfig = - &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'}); - if (grep(/^login$/,@cancreate)) { + if ($defaultauth) { my $domdesc = &Apache::lonnet::domain($form{'udom'},'description'); - &check_can_host($r,\%form,'no_account_on_host',$domdesc); + unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) { + return OK; + } my $start_page = - &Apache::loncommon::start_page('Create a user account in LON-CAPA', - '',{'no_inline_link' => 1,}); + &Apache::loncommon::start_page('Create a user account in LON-CAPA'); my $lonhost = $r->dir_config('lonHostID'); my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; my $contacts = &Apache::loncommon::build_recipient_list(undef,'helpdeskmail', $form{'udom'},$origmail); my ($contact_email) = split(',',$contacts); - my $output = &Apache::createaccount::username_check($form{'uname'}, - $form{'udom'},$domdesc,'', - $lonhost,$contact_email,$contact_name); + my $output = + &Apache::createaccount::username_check($form{'uname'},$form{'udom'}, + $domdesc,'',$lonhost, + $contact_email,$contact_name, + undef,$statustocreate); &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; &Apache::createaccount::print_header($r,$start_page); @@ -415,18 +409,64 @@ sub handler { } } - &check_can_host($r,\%form,$authhost); + my ($is_balancer,$otherserver) = + &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'}); - if ($r->dir_config("lonBalancer") eq 'yes') { - &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, - \%form); - my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'}); - $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); + if ($is_balancer) { + if (!$otherserver) { + ($otherserver) = &Apache::lonnet::choose_server($form{'udom'}); + } + if ($otherserver) { + &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, + \%form); + $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl); + } else { + $r->print(&noswitch()); + } + return OK; } else { - &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, - \%form); + if (!&check_can_host($r,\%form,$authhost)) { + my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'}); + if ($otherserver) { + &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, + \%form); + $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl); + } else { + $r->print(&noswitch()); + } + return OK; + } + +# ------------------------------------------------------- Do the load balancing + +# ---------------------------------------------------------- Determine own load + my $loadlim = $r->dir_config('lonLoadLim'); + my $loadavg; + { + my $loadfile=Apache::File->new('/proc/loadavg'); + $loadavg=<$loadfile>; + } + $loadavg =~ s/\s.*//g; + my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); + my $userloadpercent=&Apache::lonnet::userload(); + +# ---------------------------------------------------------- Are we overloaded? + if ((($userloadpercent>100.0)||($loadpercent>100.0))) { + my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent,1,$form{'udom'}); + if (!$unloaded) { + ($unloaded) = &Apache::lonnet::choose_server($form{'udom'}); + } + if ($unloaded) { + &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect', + undef,\%form); + $r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl); + return OK; + } + } + &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, + \%form); + return OK; } - return OK; } sub check_can_host { @@ -435,7 +475,11 @@ sub check_can_host { my $canhost = 1; my $lonhost = $r->dir_config('lonHostID'); my $udom = $form->{'udom'}; - my @intdoms = &Apache::lonnet::get_internet_names($lonhost); + my @intdoms; + my $internet_names = &Apache::lonnet::get_internet_names($lonhost); + if (ref($internet_names) eq 'ARRAY') { + @intdoms = @{$internet_names}; + } my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { @@ -457,7 +501,9 @@ sub check_can_host { } unless ($canhost) { if ($authhost eq 'no_account_on_host') { - my ($login_host,$hostname) = &Apache::lonnet::choose_server($udom); + my $checkloginvia = 1; + my ($login_host,$hostname) = + &Apache::lonnet::choose_server($udom,$checkloginvia); &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; if ($login_host ne '') { @@ -477,7 +523,6 @@ sub check_can_host { ''.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'
'. &Apache::loncommon::end_page()); } - return OK; } else { &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef, $form); @@ -485,6 +530,16 @@ sub check_can_host { $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); } } + return $canhost; +} + +sub noswitch { + my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable'). + ''.&mt('Currently no other LON-CAPA server is available to host your session either.').'
'. + &Apache::loncommon::end_page(); + return $result; } 1;